They will take your money but won’t give you the content or coins.
If you try getting support. Blizzard will redirect you to Steam support, who will then redirect you back to Blizzard support.
Also, you can’t get a refund.
FUCK THIS GAME. I AM OUT.
I looked into it.
The problem was definitely the connection between the Steam ans Battlenet servers. This also cause your in game competive rank to go crazy, and register your rank multiple times, pushing everyone else down. This can be see on the leaderboard, if it is still there.
Stupidly so. The solution is to either wait until the it fix itself. Or (in my case after 1 full day of waiting) is to download and open the game via Battle.net, which would manually refresh the account information. This does not fix the multiple rank entry issue though.